Question

∆ABC is reflected about the line y = -x to give ∆A'B'C' with vertices
A'(-1, 1), B'(-2, -1), C(-1, 0). What are the vertices of ∆ABC?

Answer 1

@iGreen. @AnswerMyQuestions.

Answer 2

Oh boy, do you know the reflection rule for y = -x?

Answer 3

I did it a while back, but this is the semester test and it's been ages.

Answer 4

Hold on let me search it

Answer 5

You can probably figure out the points with this:

https://www.desmos.com/calculator/ota15aikef